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3030447 = 37144307
BaseRepresentation
bin1011100011110110101111
312200221222210
423203312233
51233433242
6144541503
734521060
oct13436657
95627883
103030447
11178a902
121021893
13821484
1458c567
153ecd9c
hex2e3daf

3030447 has 8 divisors (see below), whose sum is σ = 4617856. Its totient is φ = 1731672.

The previous prime is 3030431. The next prime is 3030463. The reversal of 3030447 is 7440303.

It is an interprime number because it is at equal distance from previous prime (3030431) and next prime (3030463).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3030447 - 24 = 3030431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 144307 = 3030447 / (3 + 0 + 3 + 0 + 4 + 4 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72133 + ... + 72174.

It is an arithmetic number, because the mean of its divisors is an integer number (577232).

Almost surely, 23030447 is an apocalyptic number.

3030447 is a deficient number, since it is larger than the sum of its proper divisors (1587409).

3030447 is a wasteful number, since it uses less digits than its factorization.

3030447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144317.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 3030447 is about 1740.8179112130. The cubic root of 3030447 is about 144.7112286948.

The spelling of 3030447 in words is "three million, thirty thousand, four hundred forty-seven".

Divisors: 1 3 7 21 144307 432921 1010149 3030447